public interface Constant {
    /**
     *
     * 数据库
     *
     */
    class DataBaseConstant {
        public  static final String DATA_SOURCE_LIST="dataSourceList";
        public  static final String DRIVER_NAME="driverClassName";
        public  static final String CONNECTION_NAME="connectionName";
        public  static final String URL="url";
        public  static final String USER_NAME="userName";
        public  static final String PASSWORD="password";
    }
    /**
     * 节点
     */
    class NodeConstant {
        public static final String NODE = "node"; //节点
        public static final String NODE_NAME = "nodeName"; //节点名称
        public static final String SOURCE = "source"; //来源（来自sql语句还是外部数据） sql/out
        public static final String DATA_NAME = "dataName"; //数据名称
        public static final String CONNECTION_NAME = "connectionName"; //sql语句
        public static final String SQL = "sql"; //sql语句
        public static final String NODE_LIST = "nodeList"; //字节列表
        public static final String DATA_LIST = "dataList"; //节点名称
        public static final String CHILDREN="children";
        public static final String  FILTER_LIST="filterList";
        public static final String NODE_TYPE="nodeType";// 0 表示为单个数据 1表示为list


    }

    /**
     *  操作符
     *
     */
    class OperrationConstant {
        public static final String  PARENT = "parent";//父节点
        public static final String CHILD="child";
        public static final String  NEXT="->";//进入
        public static final String UNDERlINE="_";
        public static final String BROTHER="--"; //同级节点
        public static final String FILTER="filter";
        public static final String FILTER_TYPE="filterType";

        public static final String EL="$"; //表达式
        public static final String BIGGER_THAN=">";
        public static final String LESS_THAN="<";
        public static final String EQUAL="==";
        public static final String IN="in";
        public static final String NOT_IN="not_in";
        public static final String FILTER_SOURCE="filterSource";




    }

   /*
   * 数据常量*/
    class DataConstant{
       public static final String  NAME = "name";//名称
       public static final String DATA="data";
       public static final String COLTYPE = "colType"; //字段类型
       public static final String COL_NAME = "colName"; //字段名称
       public static final String FILTER_DATA="filterData";

    }



}